286 TEMPEKATURE TO WHICH PLANTS 



V. Latitude about 28" S.— Elevation between 432 & 786 ft. 



April 23 to 31(11/ 3. 

 ooooooooooo 

 Sunrise . 49, 38, 65, 63, 37, 39, 36, 27, 26, 47, 45. 

 Noon . . 70, 78, 69. 



4 P.M. . . 66, 78, 72, 69, 63, 65, 67, 62, 68. 

 9 P.M. . . 47, 59, 64, 56, 57, 48, 47, 43, 48, 57, 45. 

 Humidity . -647, -842, •946, -844, -801, '865, '804, -865, -863. 



Observations. — April 24. Scarcity of water ; river bed dry 

 and full of sand. — April 28. Large reaches, full of water, and 

 the country covered with luxuriant grass. 



Plants observed in JJower or full vegetation. — Exocarpus 

 spartea, Loranthus aurantiacus, Casuarina, Mimosae, Anthistiria, 

 Indigofera hirsuta, Moschosraa polystachyum, Panicum laevi- 

 node, Perotis rara, Angophora, Nymphsea. 



VI. Latitude about 27° S.— Elevation between 624 & 1563 



feet. (May 13.) 



May 4 to June 7. 



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Sunrise . 25, 19, 20, 48, 20, 28, 22, 30, 26, 35, 38, 27, 29, 40, 



46, 53, 27, 12, 11, 17, 20, 34, 47, 22, 18, 11, 16, 



16, 24, 30, 36, 



Noon . . 70, 76, 81, 75, 82, 78, 73, 48, 54, 54, 52, 65, 70, 72, 



79, 85, 60, 64, 67, 69, 75. 



4 P.M. . . 70, 67, 68, 68, 74, 76, 59, 59, 64, 80, 82, 83, 75, 78, 



76, 45, 55, 55, 56, 67, 68, 71, 68, 79, 63, 64, 67, 



66, 70, 76, 85. 



9 P.M. . . 37, 47, 30, 30, 38, 35, 52, 43, 48, 43, 49, 49, 57, 65, 



45, 30, 27, 32, 30, 38, 44, 59, 65, 31, 30, 30, 34, 



40, 43, 50, 70. 



Humidity . -764, '703, "934, 596. 



Observations. — May 5. Very cold and extremely dry atmos- 

 phere. — May 7. Scarcity of water. — May 8. Intensely cold ; 

 atmosphere so dry as to prevent hoar frost. — May 10. "Water 

 scarce. — May 16. Excessive drought, and scarcity of water. — 

 May 20. Season very dry ; this day the coldest as yet experi- 

 enced during the journey. — May 22. The river frozen, and the 

 grass white with hoar-frost. — May 27. Abundance of water. — 

 June 7. A fine chain of ponds, containing abundance of water, 

 and surrounded with luxuriant herbage. 



Plants observed in flower or full vegetation. — Anthistiria, 

 Mimosa, Eucalyptus, Calandrinia balonensis. Polygonum acre, 

 Acacia pendula, thorny bushes, Delabechea rupestris, Eucalyptus 

 viminalis, Loranthus nutans, Callitris pyramidalis, Xerotes leuco- 



